Fireball



FIG. 1 is a top plan view of a fireball showing our new design;

FIG. 2 is a cross-sectional view taken along line 2-2 of FIG. 1;

FIG. 3 is a front elevational view, all sides being the same; and,

FIG. 4 is a bottom plan view thereof. 

CLAIM The ornamental design for a fireball, as shown and described. 